Home / 22,022.06-30,390.29-11,950.24

Finding the Fourth Proportional to 22,022.06, 30,390.29 and 11,950.24

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Solution

The fourth proportional to 22,022.06, 30,390.29 and 11,950.24 is: 16,491.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.06 : 30,390.29 = 11,950.24 : x
  2. Step 2: Convert to fraction form
    22,022.06/30,390.29 = 11,950.24/x
  3. Step 3: Cross multiply
    22,022.06x = 30,390.29 × 11,950.24
  4. Step 4: Simplify right side
    22,022.06x = 363,171,259.17
  5. Step 5: Solve for x
    x = 363,171,259.17/22,022.06
  6. Step 6: Final answer
    x = 16,491.25

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.